Home / 9,122.17-13,617.28-8,015.00

Finding the Fourth Proportional to 9,122.17, 13,617.28 and 8,015.00

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Solution

The fourth proportional to 9,122.17, 13,617.28 and 8,015.00 is: 11,964.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.17 : 13,617.28 = 8,015.00 : x
  2. Step 2: Convert to fraction form
    9,122.17/13,617.28 = 8,015.00/x
  3. Step 3: Cross multiply
    9,122.17x = 13,617.28 × 8,015.00
  4. Step 4: Simplify right side
    9,122.17x = 109,142,517.73
  5. Step 5: Solve for x
    x = 109,142,517.73/9,122.17
  6. Step 6: Final answer
    x = 11,964.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.